(57) Abstract In the air assist type fuel injector, in order to offer the aisle for the assist air in order to atomize the fuel which comes out of the fuel injector, the canning body (24) the snap being made to engage outside the needle, (36) it is. Putting the pre- load on the air turning disk (14), the pushing in order to make overpower, the acetabuliform washer (16) is laid out on the base (54) of the canning component vis-a-vis cartridge head of the needle. The snap engagement join section (30) the canning body in the needle only layout the needle cooperates in order containment.
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